Audubon Iowa Climate Data

Monthly Average Climate Data for Audubon Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.9 °F29.1 °F0.78 in.
February14.8 °F33.8 °F1.0 in.
March25.8 °F47.2 °F1.73 in.
April36.5 °F60.5 °F3.58 in.
May49.0 °F71.0 °F5.06 in.
June59.6 °F80.8 °F5.3 in.
July63.2 °F83.9 °F3.91 in.
August60.4 °F81.9 °F4.27 in.
September51.3 °F76.0 °F3.51 in.
October39.2 °F63.2 °F2.78 in.
November26.6 °F47.1 °F1.53 in.
December16.6 °F34.1 °F1.22 in.
Annual37.8 °F59.1 °F34.67 in.

Climate Data for Audubon Iowa

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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